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TORICH INTERNATIONAL LIMITED

  • China,Ningbo ,Zhejiang
  • Verified Supplier
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China A 556 / A 556m Grade A2 Seamless Boiler Tubes Carbon Steel
China A 556 / A 556m Grade A2 Seamless Boiler Tubes Carbon Steel

  1. China A 556 / A 556m Grade A2 Seamless Boiler Tubes Carbon Steel
  2. China A 556 / A 556m Grade A2 Seamless Boiler Tubes Carbon Steel
  3. China A 556 / A 556m Grade A2 Seamless Boiler Tubes Carbon Steel
  4. China A 556 / A 556m Grade A2 Seamless Boiler Tubes Carbon Steel
  5. China A 556 / A 556m Grade A2 Seamless Boiler Tubes Carbon Steel

A 556 / A 556m Grade A2 Seamless Boiler Tubes Carbon Steel

  1. MOQ: 2Ton
  2. Price: USD2000-3000
  3. Get Latest Price
Payment Terms L/C,D/A,D/P,T/T
Supply Ability 60000 Ton per year
Delivery Time 30-45
Packaging Details PACKING WOODEN CASE
Application Boiler
Grade A2, B2, C2
Standard ASTM A556
Brand Name Torich
Certification ISO9001
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C,D/A,D/P,T/T Supply Ability 60000 Ton per year
Delivery Time 30-45 Packaging Details PACKING WOODEN CASE
Application Boiler Grade A2, B2, C2
Standard ASTM A556 Brand Name Torich
Certification ISO9001 Place of Origin China
High Light precision seamless boiler tubesa 556 seamless boiler tubesprecision carbon steel boiler tubes

A 556/A 556M Grade A2 Seamless Carbon Steel Boiler Tubes for Boiler Pipe

 

1.Standard Scope

 

1.1 This specifification2 covers minimum-wall-thickness,seamless cold-drawn carbon steel tubes
 including bending into the form of U-tubes, if specifified,for use in tubular feedwater heaters.
 
1.2 The tubing sizes covered shall be 5 ⁄8 to 11 ⁄4-in. [15.9 to 31.8-mm] outside diameter, inclusive,
 with minimum wall thicknesses equal to or greater than 0.045 in. [1.1 mm].
 
1.3 Optional supplementary requirements are provided, and when desired,shall be stated in the order.
 
 
 

2.Manufacture

 

(1)Manufactur-------Tubes shall be made by the seamless process and shall be cold drawn.
 
(2 )Heat Treatment:
 
2.2.1 Cold-drawn tubes shall be heat treated after the fifinal cold-draw pass at a temperature
of 1200°F[640°C] or higher to ensure ductility satisfactory for rolling into tube sheets and tomeet
mechanical properties as specifified.
 
2.2.2 If stress-relief anneal of the U-bends is specifified, the anneal shall consist of heating the bent
portion within a range of 1100 to 1200°F [585 to 640°C].
 

3.Chemical Requirement :

 

Element

Composition ,%
Grade A2 Grade B2 Grade C2
Carbon, max 0.18 0.27 0.30
Manganese 0.27-0.63 0.29-0.93 0.29-1.06
Phosphorus, max 0.035 0.035 0.035
Sulfur, max 0.035 0.035 0.035
Silicon , min ... 0.10 0.10

 

4.Tensile Requirements:

  Grade A2 Grade B2 Grade C2
Tensile strength,min,ksi(Mpa) 47(320) 60(410) 70(480)
Yield Strength,min,ksi(Mpa) 26(180) 37(260) 40(280)
Elongation in 2 in or 50min, min,%(longitudinal) 35

 

30

30
 
 
 

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller

  • Year Established:

    1997

  • Total Annual:

    25000000-30000000

  • Employee Number:

    100~200

  • Ecer Certification:

    Verified Supplier

Who We are ? -------A professional steel pipes materials inventor, manufacturer and solution providerTorich International Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the ... Who We are ? -------A professional steel pipes materials inventor, manufacturer and solution providerTorich International Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the ...

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  • TORICH INTERNATIONAL LIMITED
  • Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China
  • https://www.precision-steeltube.com/

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